stdout raises EINVAL when flush() is called on a closed pipe under win32.
Maybe the exception should be caught and translated at raise location instead (sshserver.py).
Content-type: text/xml; charset={encoding}
<?xml version="1.0" encoding="{encoding}"?>
<rss version="2.0">
<channel>
<link>{urlbase}{url}</link>
<language>en-us</language>